6mm perforated steel plate

The different spacing of the thorn rope is mainly in order to save costs to consider, because if they are too close, then obviously a little waste of resources, but the installation is too sparse will not work. Usually the bottom spacing is about 10cm, and the top is up to 20cm, this is because the higher the place is more difficult to climb over, usually more than one meter without the help of tools it is difficult for ordinary people to climb over, and the bottom because of the relatively tight can prevent personnel from drilling in the past.

The principle of hot dip galvanizing is simply that clean iron parts are immersed in a zinc bath through Flux wetting, so that the steel reacts with molten zinc to produce an alloyed skin film.

Twine: Twist two or more wires into a double wire rope and then wrap the twine around the double wire. It’s called a straight twist cord which is the common double strand cord.